Check Do Not Disturb is turned off
This setting is located at: Settings > Notifications > Do Not Disturb off (or swipe down from the top for Quick Panel > tap Do Not Disturb icon to disable).
Check Spam/Unknown Number Filtering is turned off
This setting is located at: Phone app > Menu > Settings > Caller ID and spam protection > turn off "Filter spam calls."
Check Cellular Signal and Airplane Mode is turned off
This setting is located at: Home > Apps > Settings > Connections > Airplane Mode off.
Check Call Blocking
This setting is located at: Phone app > Menu > Settings > Block numbers.
Check Call Forwarding is turned off
This setting is located at: Phone app > Menu > Settings > Supplementary services > Call forwarding.
You've completed the steps!
